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Finding the Third Proportional to 2,712 and 4,636

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Solution

The third proportional to 2,712 and 4,636 is: 7,924.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,712 : 4,636 = 4,636 : x
  2. Step 2: Convert to fraction form
    2,712/4,636 = 4,636/x
  3. Step 3: Cross multiply
    2,712x = 4,636 × 4,636
  4. Step 4: Simplify right side
    2,712x = 21,492,496
  5. Step 5: Solve for x
    x = 21,492,496/2,712
  6. Step 6: Final answer
    x = 7,924.96

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Why These Related Problems?

These problems maintain the same ratio (1.71) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.